

.wrapper {
    width: 80%;
    margin: 15px auto;
}

.wrapper.links {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.wrapper.links > a {
    flex-basis: 45%;
    background: blue;
    color: #fff;
    text-decoration: none;
    text-align: center;
}

.tab {
    width: 80%;
    margin: 15px auto;
    border: 1px solid blue;
    border-collapse: collapse;
}

.tab th ,
.tab td {
    border: 1px solid blue;
    text-align: center;
    vertical-align: middle;
    height: 30px;
}